Preparation for voluntary movement in healthy and clinical populations: Evidence from startle : Neurophysiology of the Brainstem
Identifieur interne : 001503 ( Main/Exploration ); précédent : 001502; suivant : 001504Preparation for voluntary movement in healthy and clinical populations: Evidence from startle : Neurophysiology of the Brainstem
Auteurs : Anthony N. Carlsen [Canada] ; Dana Maslovat [Canada] ; Ian M. Franks [Canada]Source :
- Clinical neurophysiology [ 1388-2457 ] ; 2012.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
Abstract
In this review we provide a summary of the observations made regarding advance preparation of the motor system when presenting a startling acoustic stimulus (SAS) during various movement tasks. The predominant finding from these studies is that if the participant is prepared to make a particular movement a SAS can act to directly and quickly trigger the prepared action. A similar effect has recently been shown in patients with Parkinson's disease. This "StartReact" effect has been shown to be a robust indicator of advance motor programming as it can involuntarily release whatever movement has been prepared. We review the historical origins of the StartReact effect and the experimental results detailing circumstances where advance preparation occurs, when it occurs, and how these processes change with practice for both healthy and clinical populations. Data from some of these startle experiments has called into question some of the previously held hypotheses and assumptions with respect to the nature of response preparation and initiation, and how the SAS results in early response expression. As such, a secondary focus is to review previous hypotheses and introduce an updated model of how the SAS may interact with response preparation and initiation channels from a neurophysiological perspective.
Affiliations:
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Carlsen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Human Kinetics, University of Ottawa</s1><s2>Ottawa</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ottawa</wicri:noRegion></affiliation></author><author><name sortKey="Maslovat, Dana" sort="Maslovat, Dana" uniqKey="Maslovat D" first="Dana" last="Maslovat">Dana Maslovat</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Kinesiology, University of British Columbia</s1><s2>Vancouver</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver</wicri:noRegion></affiliation></author><author><name sortKey="Franks, Ian M" sort="Franks, Ian M" uniqKey="Franks I" first="Ian M." last="Franks">Ian M. 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Carlsen</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>School of Human Kinetics, University of Ottawa</s1><s2>Ottawa</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Ottawa</wicri:noRegion></affiliation></author><author><name sortKey="Maslovat, Dana" sort="Maslovat, Dana" uniqKey="Maslovat D" first="Dana" last="Maslovat">Dana Maslovat</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Kinesiology, University of British Columbia</s1><s2>Vancouver</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver</wicri:noRegion></affiliation></author><author><name sortKey="Franks, Ian M" sort="Franks, Ian M" uniqKey="Franks I" first="Ian M." last="Franks">Ian M. Franks</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>School of Kinesiology, University of British Columbia</s1><s2>Vancouver</s2><s3>CAN</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Vancouver</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Clinical neurophysiology</title><title level="j" type="abbreviated">Clin. neurophysiol.</title><idno type="ISSN">1388-2457</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Clinical neurophysiology</title><title level="j" type="abbreviated">Clin. neurophysiol.</title><idno type="ISSN">1388-2457</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acoustic stimulus</term><term>Body movement</term><term>Electrodiagnosis</term><term>Experimental result</term><term>Human</term><term>Models</term><term>Motor preparation</term><term>Parkinson disease</term><term>Programming</term><term>Release</term><term>Review</term><term>Stimulus movement</term><term>Voluntary movement</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Préparation motrice</term><term>Mouvement volontaire</term><term>Mouvement corporel</term><term>Article synthèse</term><term>Stimulus acoustique</term><term>Mouvement stimulus</term><term>Programmation</term><term>Libération</term><term>Maladie de Parkinson</term><term>Résultat expérimental</term><term>Modèle</term><term>Electrodiagnostic</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this review we provide a summary of the observations made regarding advance preparation of the motor system when presenting a startling acoustic stimulus (SAS) during various movement tasks. The predominant finding from these studies is that if the participant is prepared to make a particular movement a SAS can act to directly and quickly trigger the prepared action. A similar effect has recently been shown in patients with Parkinson's disease. This "StartReact" effect has been shown to be a robust indicator of advance motor programming as it can involuntarily release whatever movement has been prepared. We review the historical origins of the StartReact effect and the experimental results detailing circumstances where advance preparation occurs, when it occurs, and how these processes change with practice for both healthy and clinical populations. Data from some of these startle experiments has called into question some of the previously held hypotheses and assumptions with respect to the nature of response preparation and initiation, and how the SAS results in early response expression. As such, a secondary focus is to review previous hypotheses and introduce an updated model of how the SAS may interact with response preparation and initiation channels from a neurophysiological perspective.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Carlsen, Anthony N" sort="Carlsen, Anthony N" uniqKey="Carlsen A" first="Anthony N." last="Carlsen">Anthony N. Carlsen</name></noRegion><name sortKey="Franks, Ian M" sort="Franks, Ian M" uniqKey="Franks I" first="Ian M." last="Franks">Ian M. Franks</name><name sortKey="Maslovat, Dana" sort="Maslovat, Dana" uniqKey="Maslovat D" first="Dana" last="Maslovat">Dana Maslovat</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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